Hi Ryan,
Not to worry. Those little alert sounds generally mean that you have asked the computer to do something that it can't do, or that is improper for it to do.
More often than not, you'll see that you just pushed the wrong button or key or something silly like that. If you do something incredibly dumb, you'll know about it. You'll see a dialog box, or your computer will cease to work properly.
Are you hearing the alert time after time even when you are not touching the keyboard or mouse? Or are you clicking on something many times in a row and hearing the alert?
Try repairing permissions and check your hard drive through Disc Utility in the Utilities folder. If no problems are found, GOOD! If problems are found, you can boot your computer from the install disc that came with it. When you see the screen asking you to select a language, do that. On the next screen, do not proceed with the installation. Instead, look up in the menu bar for Utilities. From there, run the Disc Utility again, but tell it to repair the disc. Sometimes, you have to run Disc Utility several times to clear up some problems.
Having said that, if you are indeed having operational problems with your computer, come back and tell us what they are, OK?
Jon